US2564025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spacer for worn piston ring grooves
Assignee: Beazer East Inc
•
Filing: 1948-09-21
•
Granted: 1951-08-14
•
Expires: 1968-09-21
Abstract
No abstract record available.
Inventors
- 👤 Allen W Morton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:17
CPC Classifications
F; F16; F16J; F16J9/00; F16J9/12; F16J9/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE487709C
Cited
US1495705A
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US1557643A
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US1667941A
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US1781183A
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US2225508A
Cited
US2365725A
Cited
US2415984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |